Dissolved organic carbon (doc) in stream water on ws7, ws14, ws27.

To examine long-term patterns in DOC concentration in stream water resulting from climatic variation and associated with recovery form clearcutting. 1.Sampling: water samples taken weekly (biweekly during 1979-1980) from the stream just above weir (at the same site other samples for

chemical analysis are taken). Samples taken in pre-combusted glass bottles and kept refrigerated. | Filtering: water filtered when samples are returned to lab. Filtered

through pre-combusted Gelman A/E glass fiber filters. | DOC: from July 1979 through July 1985, samples were analyzed in a Dohrman DC 80, which uses UV catalysis in the presence of persulfate to convert DOC to CO2, then reduces CO2 to methane,

and analysis for methane. | From August 1985 to present, samples analyzed on Oceanography International Carbon Analyzer (MODEL 700) which uses persulfate

oxidation at 100C and Analyses for CO2 evolved. All analyses have been done at the lab in Athens